<form method="post" action="calc.php"><pre>
      Loan Amount <input type="text" name="principle">
Monthly Repayment <input type="text" name="monthly">
  Number of Years <input type="text" name="years" value="25">
    Interest Rate <input type="text" name="rate"  value="6">
                  <input type="submit">
</pre></form>
